7. Venomous Vipers On Ilha de Queimada Grande
If you have a fear of snakes, it would probably be best to avoid the island of Ilha de Queimada Grande which is located not far from the city of Sao Paolo, Brazil. The island is uninhabited by people and overrun by vipers. This island is not opened to the public because of the high number of deaths caused by viper bites.